

package com.hazelcast.jet.impl.deployment;

import childfirstclassloader.TestProcessor;
import com.hazelcast.cluster.Address;
import com.hazelcast.function.SupplierEx;
import com.hazelcast.jet.core.ProcessorMetaSupplier;
import com.hazelcast.jet.core.ProcessorSupplier;
import com.hazelcast.jet.impl.processor.NoopP;
import org.example.jet.impl.deployment.ResourceCollector;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
import java.util.function.Function;

public class ProcessorMetaSupplierUsingClassloader implements ProcessorMetaSupplier {

    SupplierEx<SupplierEx<String>> resourceReaderSupplier;

    public ProcessorMetaSupplierUsingClassloader() {
    }

    public ProcessorMetaSupplierUsingClassloader(SupplierEx<SupplierEx<String>> resourceReaderSupplier) {
        this.resourceReaderSupplier = resourceReaderSupplier;
    }

    @Override
    public void init(@Nonnull Context context) throws Exception {
        resourceReaderSupplier = TestProcessor.ResourceReaderFactory.createResourceReader();
        String resourceInit = "ProcessorMetaSupplier init " + resourceReaderSupplier.get().get();
        ResourceCollector.add(resourceInit);
    }

    @Nonnull
    @Override
    public Function<? super Address, ? extends ProcessorSupplier> get(@Nonnull List<Address> addresses) {
        String resourceGet = "ProcessorMetaSupplier get " + resourceReaderSupplier.get().get();
        ResourceCollector.add(resourceGet);
        return address -> ProcessorSupplier.of(NoopP::new);
    }

    @Override
    public void close(@Nullable Throwable error) throws Exception {
        String resourceClose = "ProcessorMetaSupplier close " + resourceReaderSupplier.get().get();
        ResourceCollector.add(resourceClose);
    }
}
